diff --git a/unit06_trust_dig_cert/cer/.DS_Store b/unit06_trust_dig_cert/cer/.DS_Store
new file mode 100644
index 0000000..5008ddf
Binary files /dev/null and b/unit06_trust_dig_cert/cer/.DS_Store differ
diff --git a/unit06_trust_dig_cert/cer/cmds b/unit06_trust_dig_cert/cer/cmds
new file mode 100755
index 0000000..59673f7
--- /dev/null
+++ b/unit06_trust_dig_cert/cer/cmds
@@ -0,0 +1,16 @@
+openssl s_client -connect google.com:443 -showcerts < /dev/null | openssl x509  -outform pem > google.pem
+openssl x509 -inform PEM -in googlecert.pem -outform DER -out google.cer
+
+openssl s_client -connect microsoft.com:443 -showcerts < /dev/null | openssl x509 -outform pem > microsoft.pem
+openssl x509 -inform PEM -in microsoft.pem -outform DER -out microsoft.cer
+
+
+openssl s_client -connect intel.com:443 -showcerts < /dev/null | openssl x509 
+-outform pem > inte.pem
+openssl x509 -inform PEM -in inte.pem -outform DER -out intel.cer
+
+openssl s_client -connect microsoft.com:443 -showcerts < /dev/null | openssl x509 -outform pem > microsoft.pem
+openssl x509 -inform PEM -in microsoft.pem -outform DER -out microsoft.cer
+
+openssl s_client -connect oracle.com:443 -showcerts < /dev/null | openssl x509 -outform pem > oracle.pem
+openssl x509 -inform PEM -in oracle.pem -outform DER -out oracle.cer
diff --git a/unit06_trust_dig_cert/cer/google.cer b/unit06_trust_dig_cert/cer/google.cer
new file mode 100644
index 0000000..551e1c4
Binary files /dev/null and b/unit06_trust_dig_cert/cer/google.cer differ
diff --git a/unit06_trust_dig_cert/cer/google.pem b/unit06_trust_dig_cert/cer/google.pem
new file mode 100644
index 0000000..29fcbd1
--- /dev/null
+++ b/unit06_trust_dig_cert/cer/google.pem
@@ -0,0 +1,78 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/unit06_trust_dig_cert/cer/google.zip b/unit06_trust_dig_cert/cer/google.zip
new file mode 100644
index 0000000..36af123
Binary files /dev/null and b/unit06_trust_dig_cert/cer/google.zip differ
diff --git a/unit06_trust_dig_cert/cer/intel.cer b/unit06_trust_dig_cert/cer/intel.cer
new file mode 100644
index 0000000..ff61d40
Binary files /dev/null and b/unit06_trust_dig_cert/cer/intel.cer differ
diff --git a/unit06_trust_dig_cert/cer/intel.pem b/unit06_trust_dig_cert/cer/intel.pem
new file mode 100644
index 0000000..5924813
--- /dev/null
+++ b/unit06_trust_dig_cert/cer/intel.pem
@@ -0,0 +1,45 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/unit06_trust_dig_cert/cer/intel.zip b/unit06_trust_dig_cert/cer/intel.zip
new file mode 100644
index 0000000..69993eb
Binary files /dev/null and b/unit06_trust_dig_cert/cer/intel.zip differ
diff --git a/unit06_trust_dig_cert/cer/microsoft.cer b/unit06_trust_dig_cert/cer/microsoft.cer
new file mode 100644
index 0000000..23efee5
Binary files /dev/null and b/unit06_trust_dig_cert/cer/microsoft.cer differ
diff --git a/unit06_trust_dig_cert/cer/microsoft.pem b/unit06_trust_dig_cert/cer/microsoft.pem
new file mode 100644
index 0000000..154b081
--- /dev/null
+++ b/unit06_trust_dig_cert/cer/microsoft.pem
@@ -0,0 +1,113 @@
+-----BEGIN CERTIFICATE-----
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new file mode 100644
index 0000000..83d3918
--- /dev/null
+++ b/unit06_trust_dig_cert/cer/oracle.pem
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+-----END CERTIFICATE-----
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